CN203010064U - Inflating self-locking connector and air conditioning heat exchanger provided with same - Google Patents
Inflating self-locking connector and air conditioning heat exchanger provided with same Download PDFInfo
- Publication number
- CN203010064U CN203010064U CN201220616324.4U CN201220616324U CN203010064U CN 203010064 U CN203010064 U CN 203010064U CN 201220616324 U CN201220616324 U CN 201220616324U CN 203010064 U CN203010064 U CN 203010064U
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- China
- Prior art keywords
- chamber
- spring
- seal ring
- self
- locking joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004378 air conditioning Methods 0.000 title abstract description 5
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 5
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000006200 vaporizer Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 241001633942 Dais Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- -1 with Sealing pliers Substances 0.000 description 1
Images
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses an inflating self-locking connector, which comprises a valve seat, a valve spindle arranged in the base seat, and reset springs, wherein the valve seat comprises a spring cavity, a middle cavity and an inflating cavity which are communicated in sequence; the reset springs are arranged in the spring cavities; one end of each reset spring is butted to the end part of a valve rod, and the other end of each reset spring is butted to an inner wall of the spring cavity; an air flow channel is arranged in the valve spindle; a first opening of the air flow channel is formed in the top end surface of the valve spindle; a second opening is formed in an outer wall of the other end of the valve spindle, and slides along the middle cavity or interior of the inflating cavity, so that the air flow channel is in a closed or opened state. The utility model further discloses an air conditioning heat exchanger provided with the inflating self-locking connector. According to the utility model, the inflating operation is convenient and rapid, the inflation pressure maintaining performance is stable, and the inflating self-locking connector can be applicable to all air conditioning heat exchanger products, and further can be applicable to other refrigeration equipment that requires nitrogen inflation pressure maintenance or requires charging a refrigerating fluid by a rapid connector.
Description
Technical field
The utility model relates to the threshold switch technical field, more particularly, relates to a kind of self-locking joint of inflating and reaches with the air-condition heat exchanger of inflating self-locking joint.
Background technique
In the after sales service work of family expenses air-conditioning; often need the various places commercial networks are arrived in heat exchanger (vaporizer) shipping of indoor set; for conveniently when accessory reaches consumption terminal; installation personnel can in time find whether to exist through heat exchanger after the intermediate links such as accumulating the critical defect of leakage after sale; also in order to guarantee the turbidity test of heat exchanger inside, air-conditioning manufacturing enterprise is common can be with the filled appropriate inert gas of the heat exchanger of indoor set before heat exchanger dispatches from the factory simultaneously.Present way is, the mode that effective screw thread adds gasket seal that goes out of heat exchanger is tightened sealing, is with bell-mouthed copper pipe to add the upper cap nut Placement with one on the inlet pipe mouth of pipe of vaporizer, with Sealing pliers, copper pipe is clamped after inflation and carries out the high-temperature gas welding again.When heat exchanger was installed, the copper pipe of sealing inflation use will be abandoned with the copper nut that matches, and causes the significant wastage of resource.
Along with refrigeration agents such as existing R22, R410A because consuming the ozone in atmospheric layer or greenhouse effect are excessive will be substituted by natural preparation (the R290 high-purity propane is liquefied petroleum gas (LPG)), and most natural refrigerants all can not carry out construction operation with naked light, but, in prior art, part chiller plant is after completing refrigerant charging, adopt often that will to fill pipe clamp with sealing pincers flat, then in the short time, the mode with welding will fill a mouthful sealing, form sealing fully, stop refrigrant leakage.This sealing mode is due to the needs welding, and efficient is very low, also may cause some inflammable refrigeration agents such as carbon-hydrogen type coolant to explode, and is abnormally dangerous.And high temperature makes refrigeration agent disengage toxic gas, the Hazard Technology personnel health.Therefore, exploitation a kind of be applied in the air conditioner field, simple in structure, the airtight leak free inflation self-locking joint of gas replenishment process is very necessary.
The model utility content
The technical problems to be solved in the utility model is to provide a kind of and replace the inflation self-locking joint of solder up and with the air-condition heat exchanger of inflating self-locking joint, inflate the deficiency of the operation of pressurize poor efficiency and poor stability to solve existing chiller plant.
The technological scheme that its technical problem that solves the utility model adopts is:
A kind of inflation self-locking joint comprises valve seat, is located at poppet shaft and Returnning spring in valve seat, and described valve seat comprises spring chamber, intermediate cavity, the inflatable chamber that order is communicated with; Described Returnning spring is arranged in spring chamber, and described Returnning spring one end is resisted against the end of valve rod, and the other end is resisted against on the spring chamber inwall; Be provided with air-flow path in described poppet shaft, described air-flow path the first opening is located on the top end face of poppet shaft, the second opening is located on the outer wall of the poppet shaft the other end, and described the second opening is closed or open mode thereby air-flow path is in along sliding in intermediate cavity or inflatable chamber.
The bottom of described poppet shaft is provided with spacing frustum, is provided with the spacing cone chamber suitable with described spacing frustum at the inwall of valve seat inflatable chamber.
The sheathed T-shaped valve piece in the top of described poppet shaft, an end of described Returnning spring is resisted against on described T-shaped valve piece.
Described inflatable chamber connecting tube joint connection chamber, described pipe joint connection chamber inwall is provided with thread section.
The internal diameter of described inflatable chamber is less than the pipe joint connection chamber, is provided with the 3rd seal ring at inflatable chamber and pipe joint connection chamber connecting part.
Be provided with the 4th seal ring on the end face of the top of described T-shaped valve piece.
Described poppet shaft outer wall is provided with the first seal ring, the second seal ring, and described the first seal ring only moves in intermediate cavity, and described the second seal ring is along sliding in intermediate cavity or inflatable chamber.
Described the second opening is between the first seal ring and the second seal ring.
The internal diameter of described inflatable chamber is greater than the internal diameter of intermediate cavity, and described spring chamber and intermediate cavity connecting part form the spring supporting platform, and the described spring the other end is resisted against on the spring supporting platform.
A kind of air-condition heat exchanger with the inflation self-locking joint, comprise evaporator assemblies, connect the inlet pipe of described evaporator assemblies and go out pipe, and connect respectively described inlet pipe and go out the inlet pipe joint of pipe and go out pipe joint, described inlet pipe joint or go out pipe joint and connect above-mentioned inflation self-locking joint.
Compared with prior art, the beneficial effects of the utility model are:
Inflation self-locking joint of the present utility model is realized the inflation pressure holding function with the structure of threshold switch, by the mounting structure of air-flow path is set on poppet shaft, make poppet shaft open the process that air-flow path is completed inflation when slippage downwards, when inflation is complete, Returnning spring up pushes away poppet shaft, air-flow path is got back in the intermediate cavity of sealing, formed self-locking closure.The utility model charge operation is convenient and swift, the inflation pressure maintaining performance is stable, applicable on all air-condition heat exchanger products, also applicable to other need nitrogen inflation pressurize or need to the chiller plant with the rapid pipe joint charging refrigerant on.
Description of drawings
Fig. 1 is the air-conditioner heat exchanger structure schematic diagram with the inflation self-locking joint of the present utility model;
Fig. 2 is the structural representation of inflation self-locking joint gas replenishment process of the present utility model;
Fig. 3 is the structural representation of inflation self-locking joint packing state of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Referring to Fig. 1, air-condition heat exchanger with the inflation self-locking joint comprises evaporator assemblies 6, connect the inlet pipe of evaporator assemblies 6 and go out pipe, be welded with inlet pipe joint 5 and go out pipe joint 2 in inlet pipe and the end that goes out pipe, seal with copper diaphragm seal 4 and copper nut 3 on inlet pipe joint 5, copper nut 3 is attached to copper diaphragm seal 4 outlet port of vaporizer inlet pipe joint 5 closely, makes the gas in evaporator assemblies 6 can not pass through vaporizer inlet pipe joint 5 toward outward leakage.Going out to screw on pipe joint 2 inflation self-locking joint 1, the 3rd seal ring of inflation self-locking joint 1 can guarantee out that pipe joint 2 and inflation self-locking joint 1 are tightly connected, thereby has guaranteed that the nitrogen in the vaporizer can not be to outward leakage.
Referring to Fig. 2-3, the utility model provides a kind of inflation self-locking joint 1, and its structure is as follows: comprise valve seat 10, poppet shaft 20 and Returnning spring 30, described valve seat 10 comprises spring chamber 11, intermediate cavity 12, the inflatable chamber 13 that order is communicated with; Described poppet shaft 20 comprises valve rod 21 and piston 22; Described piston 22 is along sliding in intermediate cavity or inflatable chamber, thereby makes air-flow path be in the state of opening or closing.Intermediate cavity 12 is between spring chamber 11 and inflatable chamber 13, the internal diameter of inflatable chamber 13 is greater than the internal diameter of intermediate cavity 12, at spring chamber 11 and intermediate cavity 12 connecting parts formation spring supporting platforms 15, described Returnning spring 30 is arranged in spring chamber 11, described Returnning spring 30 1 ends are resisted against the end of valve rod 21, the other end is resisted against on spring chamber 11 inwalls, and more particularly, the other end of Returnning spring is to be resisted against on spring supporting platform 15; The top cylindrical of described piston 22 is provided with the first seal ring 41 and the second seal ring 42, be provided with air-flow path 23 in described valve rod 21, the first opening of air-flow path 23 is located on the top end face of valve rod 21, the second opening of described air-flow path is located on piston 22 cylindrical walls between the first seal ring 41 and the second seal ring 42, the first seal ring 41 is only in the interior movement of intermediate cavity 12, the second seal ring 42 is in intermediate cavity 12 or the interior movement of inflatable chamber 13, thereby makes air-flow path 23 close in intermediate cavity 12 or be communicated with inflatable chamber 13.Due to air-flow path the second opening when intermediate cavity 12 is interior, the inwall of the second opening and intermediate cavity 12 joins and then the second opening of air-flow path is in closed state, and after the second opening enters inflatable chamber 13, greater than intermediate cavity 12, and then the second opening does not join with inflatable chamber 13 and namely is not in connected state due to the internal diameter of inflatable chamber 13.
Referring to Fig. 1, also be provided with the pipe joint connection chamber 14 with internal thread below inflatable chamber 13 in the lump.Be provided with the internal thread suitable with going out pipe joint 2 in pipe joint connection chamber 14, the thread that goes out pipe joint 2 outside threads and pipe joint connection chamber 14 internal threads intermeshes, and makes inflation self-locking joint 1 be fixed on going out on pipe joint 2 of evaporator assemblies 6.The internal diameter of inflatable chamber 13 is less than the internal diameter of pipe joint connection chamber 14, and is provided with the 3rd seal ring 17 in two connecting parts, chamber.The 3rd seal ring 17 is used for using pipe joint 2 and forms sealing with pipe joint connection chamber 14, prevents Leakage Gas.
The sheathed T-shaped valve piece 24 in the top of valve rod 21, an end of described Returnning spring 30 is resisted against on described T-shaped valve piece.In valve seat 10, the internal diameter of intermediate cavity 12 is minimum, can be subdivided into two inner chambers of different inner diameters in spring chamber 11, the inner chamber internal diameter on top is larger, the head that can hold T-shaped valve piece 24 slides, the inner chamber internal diameter of bottom is less than the inner chamber on top but greater than the internal diameter of intermediate cavity 12, only slides with the afterbody that holds T-shaped valve piece and the stretching of Returnning spring 30.Form the limit dais of T-shaped valve piece in the jointing place of two inner chambers, at the jointing place formation spring supporting platform 15 of spring chamber 11 with intermediate cavity 12, an end of Returnning spring 30 just is resisted against the installation location of realizing self on spring supporting platform 15.The internal diameter of inflatable chamber 13 is greater than the internal diameter of intermediate cavity 12, the piston 22 of poppet shaft 20 is mainly at inflatable chamber 13, the interior slide displacement of intermediate cavity 12, wherein, the bottom of piston 22 is provided with spacing frustum 27, is provided with spacing cone chamber 16 in inflatable chamber 13 and intermediate cavity 12 connecting parts.Spacing frustum 27 is consistent with the conical surface gradient in spacing cone chamber 16, and both are in conjunction with forming limit structure, and spacing cone chamber 16 limits the maximum displacement that poppet shaft 20 move up.Be provided with the 4th seal ring 25 on the end face of the top of described T-shaped valve piece 24, be used in inflated with nitrogen forming sealing with the inflation inlet edge of the rapid pipe joint of grafting, prevented leaking of gas, and be provided with boss 18 on the cylindrical wall of the top of valve seat 10, be used for coordinating with rapid pipe joint the location, during inflation, the inflation sleeve of rapid pipe joint will be socketed in the top of valve seat 10, and be positioned at boss 18 places.
Figure 2 shows that inflation self-locking joint 1 in the structure of inflated condition, shown in Figure 3 is that inflation self-locking joint 1 is in the structure of packing state.During inflation, rapid pipe joint is inserted in the top of inflation self-locking joint 1, thimble in rapid pipe joint props up T-shaped valve piece 24, the compressed valve rod 21 that makes of Returnning spring 30 moves down, and piston 22 with and on the first seal ring 41, the second seal ring 42 also move down together, until 24 limited institute's backstops of T-shaped valve piece, at this moment, the second seal ring 42 enters in inflatable chamber 13 from intermediate cavity 12, second opening of air-flow path 23 on piston 22 cylindrical walls also enters in inflatable chamber 13 from intermediate cavity, air-flow path 23 is communicated with inflatable chamber 13, and nitrogen is filled with from rapid pipe joint.When inflation finishes, rapid pipe joint is extracted, and the compression potential energy of Returnning spring 30 is released, and T-shaped valve piece 24 is upwards promoted, move on poppet shaft 20 until the spacing frustum 27 of piston 22 is pressed on spacing cone chamber 16, the maximum displacement that poppet shaft 20 makes progress is determined by spacing cone chamber 16.At this moment, move on in intermediate cavity 12 on the first seal ring 41, the second seal ring 42, air-flow path 23 forms sealing with intermediate cavity 12, and air-flow path 23 is closed, and gas is at the interior maintenance certain pressure of evaporator assemblies 6.
Above content is the detailed description of the utility model being done in conjunction with concrete preferred implementation, can not assert that concrete enforcement of the present utility model is confined to this.For the utility model person of an ordinary skill in the technical field, do not breaking away under general idea prerequisite of the present utility model, can also make some simple deductions and replacement, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. an inflation self-locking joint, comprise valve seat, be located at poppet shaft and Returnning spring in valve seat, and it is characterized in that: described valve seat comprises spring chamber, intermediate cavity, the inflatable chamber that order is communicated with; Described Returnning spring is arranged in spring chamber, and described Returnning spring one end is resisted against the end of poppet shaft, and the other end is resisted against on the spring chamber inwall; Be provided with air-flow path in described poppet shaft, described air-flow path the first opening is located on the top end face of poppet shaft, the second opening is located on the outer wall of the poppet shaft the other end, and described the second opening is closed or open mode thereby air-flow path is in along sliding in intermediate cavity or inflatable chamber.
2. inflation self-locking joint according to claim 1, it is characterized in that: the bottom of described poppet shaft is provided with spacing frustum, is provided with the spacing cone chamber suitable with described spacing frustum at the inwall of valve seat inflatable chamber.
3. inflation self-locking joint according to claim 1, it is characterized in that: the sheathed T-shaped valve piece in the top of described poppet shaft, an end of described Returnning spring is resisted against on described T-shaped valve piece.
4. inflation self-locking joint according to claim 1, it is characterized in that: described inflatable chamber connecting tube joint connection chamber, described pipe joint connection chamber inwall is provided with thread section.
5. inflation self-locking joint according to claim 1 is characterized in that: the internal diameter of described inflatable chamber is less than the pipe joint connection chamber, is provided with the 3rd seal ring at inflatable chamber and pipe joint connection chamber connecting part.
6. inflation self-locking joint according to claim 3, is characterized in that: be provided with the 4th seal ring on the end face of the top of described T-shaped valve piece.
7. inflation self-locking joint according to claim 1, it is characterized in that: described poppet shaft outer wall is provided with the first seal ring, the second seal ring, and described the first seal ring only moves in intermediate cavity, and described the second seal ring is along sliding in intermediate cavity or inflatable chamber.
8. inflation self-locking joint according to claim 7, it is characterized in that: described the second opening is between the first seal ring and the second seal ring.
9. inflation self-locking joint according to claim 1 is characterized in that:, the internal diameter of described inflatable chamber is greater than the internal diameter of intermediate cavity, and described spring chamber and intermediate cavity connecting part form the spring supporting platform, and the described spring the other end is resisted against on the spring supporting platform.
One kind with the inflation self-locking joint air-condition heat exchanger, comprise evaporator assemblies, connect the inlet pipe of described evaporator assemblies and go out pipe, and connect respectively described inlet pipe and go out the inlet pipe joint of pipe and go out pipe joint, it is characterized in that: described inlet pipe joint or go out pipe joint and connect the described arbitrary inflation self-locking joint of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220616324.4U CN203010064U (en) | 2012-11-20 | 2012-11-20 | Inflating self-locking connector and air conditioning heat exchanger provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220616324.4U CN203010064U (en) | 2012-11-20 | 2012-11-20 | Inflating self-locking connector and air conditioning heat exchanger provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203010064U true CN203010064U (en) | 2013-06-19 |
Family
ID=48601661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220616324.4U Expired - Lifetime CN203010064U (en) | 2012-11-20 | 2012-11-20 | Inflating self-locking connector and air conditioning heat exchanger provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203010064U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534132A (en) * | 2014-11-25 | 2015-04-22 | 苏州速腾电子科技有限公司 | Metal core body of valve core |
| CN108362441A (en) * | 2017-12-19 | 2018-08-03 | 爱发科东方真空(成都)有限公司 | A kind of seal nipple, vacuum leak detector and detection method |
| CN114688773A (en) * | 2022-05-05 | 2022-07-01 | 安徽光智科技有限公司 | Inflating tool and inflating method for refrigerating machine |
-
2012
- 2012-11-20 CN CN201220616324.4U patent/CN203010064U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534132A (en) * | 2014-11-25 | 2015-04-22 | 苏州速腾电子科技有限公司 | Metal core body of valve core |
| CN108362441A (en) * | 2017-12-19 | 2018-08-03 | 爱发科东方真空(成都)有限公司 | A kind of seal nipple, vacuum leak detector and detection method |
| CN108362441B (en) * | 2017-12-19 | 2020-06-30 | 爱发科东方真空(成都)有限公司 | Sealing joint, vacuum leak detection device and detection method |
| CN114688773A (en) * | 2022-05-05 | 2022-07-01 | 安徽光智科技有限公司 | Inflating tool and inflating method for refrigerating machine |
| CN114688773B (en) * | 2022-05-05 | 2023-10-03 | 安徽光智科技有限公司 | Refrigerator inflation tool and inflation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |